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Published online 24 August 2004 | Nature | doi:10.1038/news040823-7
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Friendly faces calm stressed sheep
Picture therapy could soothe lonely bleaters.
Exposing isolated sheep to photos of other sheep lowers their stress levels, shows a recent study. Researchers suggest the practice could be used to soothe solitary and sick animals and hope the work will help elucidate the brain mechanisms behind the ability to link faces with emotion.
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